434940

Information

• Patent Grant
• 434940

• References
• Source

• Patent Number

  434,940

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1890
  134 years ago

• CPC

  • F28F5/02 - Rotary drums or rollers
  • Y10S165/085 - Scraper for cleaning inner surface of rotary heat exchange surface

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids